Most common 2001 Mercury Grand Marquis problems
Share of the 157 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
Mercury Grand Marquis complaints by model year
Best Grand Marquis years: 2011, 2010, 2009. Years to avoid: 2005, 1997, 1996, 2003. Compare all years →
2001 Mercury Grand Marquis recalls (3)
Seat belts › Front › Buckle assembly
Vehicle description: passenger and sport utility vehicles, pickup trucks, and minivans. Equipped with seat belts supplied by trw. It is possible that the driver's and/or front passenger's outboard seat belt buckle May not fully latch. Ford crown victoria built at st.
Remedy: Dealers will inspect the front outboard seat belt buckles and if the buckle fails the inspection process, it will be replaced. Owner notification began July 25, 2001.
Air bags › Frontal › Sensor/control module-inactive
Vehicle description: minivans and passenger vehicles. A restraint control module (rcm) or a side or front crash sensor May have been assembled with one or more of the screws that mount the circuit board in the housing missing. If some or all of the screws are missing, the performance of the occupant restrains could be affected.
Remedy: Dealers will inspect the rcm and crash sensors and, if necessary, replace them.
Air bags
Certain passenger vehicles, limousines, and Mini vans were built with a newly designed restraint control module (rcm). In some cases, the rcm does not recognize certain system faults that could result in an air bag or seat belt pre-tensioner unexpectedly activating during the self-test sequence at vehicle start-up.
Remedy: Dealers will replace the rcm in these vehicles. Owner notification began September 14, 2000. Owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free remedy…
NHTSA defect investigations
Federal safety investigators have looked into 3 possible defects involving the 2001 Mercury Grand Marquis:
Post rear end collision fires
There is no summary currently available
Front seat belt buckle assembly
During the initial recall campaign in 2001, the subject vehicles were inspected by Ford dealerships using a test tool that would detect a defective front seat outboard seat belt buckle assembly.approximately one million vehicles passed the inspection test for one or both front buckles.subsequent to the recall service action, odi received 15 consumer reports alleging that a passed inspection buckle subsequently…
Spark plug ejection from cylinder head
On September 6, 2005, odi received a petition requesting that the agency investigate allegations of engine spark plug ejection in certain model year 1997 through 2004 Ford vehicles with triton v-8 and v-10 engines.odi received a total of 474 non-duplicative complaints on the subject vehicles where the complainant, or the dealer repairing the vehicle, reported that a spark plug detached from the cylinder and/or…
What 2001 Mercury Grand Marquis owners say
Engine & cooling all 29 →
The contact owns a 2001 Mercury Grand Marquis. The contact stated he noticed coolant fluid on the ground underneath the vehicle. The contact started the vehicle and noticed that the high engine temperate warning light was illuminated. The dealer was contacted but was not able to diagnose the vehicle. The manufacturer was contacted and stated that the vehicle was not under recall. The failure mileage was 100,000. The contact stated that the vehicle is at the service dealer awaiting repairs.
PLEASE NOTE: This complaint/issue pertains to many nearly identical plastic intake manifolds sold as OEM, new or replacements for cars made in the last ten years- Dangerous perhaps fatal fires are likely not getting reported due to the nature of the cause. My car has a plastic manifold. When a fuel injector or fuel regulator fails, raw gasoline can collect in the plastic bottom. If more than a few drops collects, turning over the engine can cause, and did in my car, a massive explosion. Fortunately the blue & white cloud of smoke that filled my two-car garage did not ignite. Had it ignited my son and I might not have survived and our home may have burned. Not that your organization takes all complaints seriously, particularly when thousands of cars might be involved, but these cheap plastic manifolds present a real danger I believe could have already caused deaths and property damage. …
Speed control & acceleration all 27 →
Tl* the contact owns a 2001 Mercury Grand Marquis. The contact stated that while driving at approximately 70 MPH, the vehicle was jerking and the ABS and the check engine warning lights illuminated. The vehicle had a drastic reduction in speed. The vehicle was restarted. The vehicle was taken to the dealer on several occasions where it was repaired but the repair details were unknown. The repairs failed to remedy the vehicle. The contact stated the service engine warning light continued to illuminated and the vehicle jerked violently, reduced speed and attempted to stall. The manufacturer was notified of the failure. The approximate failure mileage was 136,037. Updated 12/03/15
Tl* the contact owns a 2001 Mercury Grand Marquis. The contact stated that while driving at 65 MPH, the vehicle accelerated rapidly without warning. The contact tried to depress the brake pedal and disengaged the cruise control but neither attempts to slow the vehicle were successful. The contact was able to slow the vehicle down only by depressing the accelerator pedal again after a period of unintended acceleration. The dealer was not contacted about the failure. The manufacturer was made aware of the issue and referred the contact to the dealer. The failure mileage was 88,000. Updated 10/24/17
Seat belts all 23 →
The contact owns a 2001 Mercury Grand Marquis. The contact stated that while driving at an undisclosed speed, the driver's side front seat belt was inadvertently unlatched. The vehicle was not diagnosed nor repaired by an independent mechanic or dealer. The manufacturer was not made aware of the failure. The failure mileage was approximately 40,000.
While driving the car the drivers and passengers seat belts release. I took it to a mechanic and they said the spring in the seat belt holder is failing. It isn't very unsettling to be driving the car and the seatbelt releases for no reason. It could be related to the 2000 seatbelt recall. We just bought the car for my college student. I don't want to wait for a death to get a recall.
2001 Mercury Grand Marquis engines & fuel economy
| Engine | Transmission | Drive | MPG city / hwy / combined |
|---|---|---|---|
| 4.6L 8-cyl | 4-speed automatic | RWD | 16 / 23 / 18 |
EPA ratings. Class: Large car.
Frequently asked questions
Is the 2001 Mercury Grand Marquis a good car?
Based on 157 owner complaints filed with NHTSA, the 2001 Grand Marquis rates average: about as many complaints as a typical year of the Grand Marquis at the same age. Complaint counts don't account for sales volume or individual maintenance, so have any used car inspected before buying.
What is the most common problem with the 2001 Mercury Grand Marquis?
The engine & cooling — 29 complaints, 18% of all complaints for this model year, most often about engine. Next are the speed control & acceleration (27) and seat belts (23).
How many recalls does the 2001 Mercury Grand Marquis have?
There are 3 recalls for the 2001 Mercury Grand Marquis, the most recent from July 16, 2001 (buckle assembly). Recall repairs are free at any authorized dealer — check whether yours has been done with the VIN recall check.
What are the best and worst years of the Mercury Grand Marquis?
The best years by complaints, compared at the same age, are 2011, 2010 and 2009. Years to avoid or approach with caution: 2005, 1997, 1996 and 2003. See the full Mercury Grand Marquis years comparison.
At what mileage do 2001 Mercury Grand Marquis problems happen?
The median mileage reported in complaints is about 72,000 miles; 36% of problems with a recorded mileage started before 50,000 miles.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.